java.lang.UnsupportedClassVersionError: org/apache/felix/fileinstall/internal/FileInstall : Unsupported major.minor version 51.0

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This exception occurs when using an older version of java. Mainly when trying to run a jar compiled with a newer Java version in an older Java version. We can avoid this issue by executing the jar in the same version which it was compiled.

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via knowcoding.com by Unknown author, 2 years ago
via knowcoding.com by Unknown author, 2 years ago
HelloWorld : Unsupported major.minor version 51.0
via knowcoding.com by Unknown author, 2 years ago
client : Unsupported major.minor version 51.0
via knowcoding.com by Unknown author, 2 years ago
applet1 : Unsupported major.minor version 51.0
via knowcoding.com by Unknown author, 2 years ago
via knowcoding.com by Unknown author, 2 years ago
main : Unsupported major.minor version 51.0
java.lang.UnsupportedClassVersionError: org/apache/felix/fileinstall/internal/FileInstall : Unsupported major.minor version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
at java.lang.ClassLoader.defineClass(ClassLoader.java:615)

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